25219900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{2357}}^1$

素因数の和:2478

約数の個数: 36

約数和(自身を含む): 55262088

約数和(自身を除く): 30042188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 2140, 2357, 2675, 4714, 5350, 9428, 10700, 11785, 23570, 47140, 58925, 117850, 235700, 252199, 504398, 1008796, 1260995, 2521990, 5043980, 6304975, 12609950, 25219900]

約数ペア:

[(1, 25219900), (2, 12609950), (4, 6304975), (5, 5043980), (10, 2521990), (20, 1260995), (25, 1008796), (50, 504398), (100, 252199), (107, 235700), (214, 117850), (428, 58925), (535, 47140), (1070, 23570), (2140, 11785), (2357, 10700), (2675, 9428), (4714, 5350)]